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#include "curtain.h"

#include <QWebEngineView>
#include <QWebEngineSettings>
#include <QWebEngineFullScreenRequest>
#include <QApplication>
#include <QGuiApplication>
#include <QScreen>
#include <QDebug>
#include <QVBoxLayout>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

Curtain::Curtain(QWidget *parent) : QWidget(parent), m_view(new QWebEngineView(this))
{
    setWindowFlags(Qt::FramelessWindowHint); //无边框
    QVBoxLayout *layout = new QVBoxLayout;
    layout->addWidget(m_view);
    layout->setMargin(0);
    layout->setSpacing(0);
    setLayout(layout);
    m_view->settings()->setAttribute(QWebEngineSettings::FullScreenSupportEnabled, true);
    m_view->setContextMenuPolicy(Qt::NoContextMenu);
    connect(m_view->page(), &QWebEnginePage::fullScreenRequested, this, &Curtain::fullScreenRequested);
    connect(m_view, &QWebEngineView::loadFinished, this, [=](bool bo) {
        qApp->setOverrideCursor(QCursor(Qt::BlankCursor));
        QString common = "xdotool mousemove 5 5 click 1";
        system(common.toUtf8().constData());
        qApp->setOverrideCursor(QCursor(Qt::ArrowCursor));
    });
}

Curtain::~Curtain() {}

void Curtain::showView()
{
    if (m_fullScreenWindow && m_fullScreenWindow->isHidden()) {
        m_fullScreenWindow->show();
        m_fullScreenWindow->showFullScreen();
        m_fullScreenWindow->activateWindow();
        m_fullScreenWindow->setFocus();
    }
    show();
}

void Curtain::hideView()
{
    if (m_fullScreenWindow && !m_fullScreenWindow->isHidden()) {
        m_fullScreenWindow->hide();
    }
    hide();
}

void Curtain::loadUrl(QString &url)
{
    qInfo() << "Sending request to projection service.";
    m_url = url;
    m_view->setUrl(QUrl(m_url));
}

void Curtain::fullScreenRequested(QWebEngineFullScreenRequest request)
{
    if (request.toggleOn()) {
        if (m_fullScreenWindow)
            return;
        request.accept();
        FullScreenWindow *fullScreenWindow = new FullScreenWindow(m_view);
        connect(fullScreenWindow, &FullScreenWindow::sigHideView, this, [=]() {
            hideView();
            Q_EMIT sigHideView();
        });
        m_fullScreenWindow.reset(fullScreenWindow);
    } else {
        if (!m_fullScreenWindow)
            return;
        request.accept();
        m_fullScreenWindow.reset();
    }
}